Παραπομπή σε μορφή APA (7η εκδ.)

Lindahl, M. (1974). Concept learning effects of the intradimensional variation of the instances. [s.n. ; distributed by Almqvist & Wiksell].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lindahl, Maj-Britt. Concept Learning Effects of the Intradimensional Variation of the Instances. Uppsala : Stockholm: [s.n. ; distributed by Almqvist & Wiksell], 1974.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lindahl, Maj-Britt. Concept Learning Effects of the Intradimensional Variation of the Instances. [s.n. ; distributed by Almqvist & Wiksell], 1974.